99 Alumina Ceramic sealed assemblies Parts plate Industrial Ceramic

Name: 99 Alumina Ceramic sealed assemblies Parts plate Industrial Ceramic
Brand: HaoRui
Rating: 5.0 (61 reviews)

Very good electrical insulation.
Moderate to extremely high mechanical strength.
Very high compressive strength.
High hardness.
Moderate thermal conductivity.
High corrosion and wear resistance.
Good gliding properties.
Low density.
Operating temperature without mechanical load 1,000 to 1,700°C.

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Model:
01102
Brand:
HaoRui
Code:
custom01001

Product Description

Alumina Al2O3 Industrial ceramic sealed assemblies

Industrial ceramic sealed assemblies are custom-made components that allow for the passage of substances or energy through a hermetically sealed chamber. They are used in various industries, including aerospace, medical, and electronics.

Applications of Ceramic Sealed Assemblies Ceramic sealed assemblies are used in a wide range of applications, including:

Electrical feedthroughs
Opto-electronic windows
Hermetic terminals
Ceramic-to-metal seals
Bonds and packages

Advantages of Ceramic Sealed Assemblies Ceramic sealed assemblies offer several advantages, including:

High temperature resistance
Corrosion resistance
Electrical insulation
Hermetic sealing
Customizable designs

Properties of Alumina material (Al2O3)

Property	Item	95% Al2O3	99% Al2O3	99.8%Al2O3	Unit
Mechanical Characteristics	Color	White	light yellow	Ivory
	Bulk Density	3.7	3.85	3.93	g/cm³
	Water Absorption	0	0	0	%
	Bending Strength	300	310	370	MPa
	Compressive Trength	2,300	2,400	2500	MPa
	Elastic Modulus	320	340	390	GPa
	Fracture Toughness	3~4	3~4	4	MPa m^1/2
	Weber Coefficient	12	12	12	m
	Vickers Hardness	1,400	1,600	1850	HV 0.5
Thermal Characterics	Coefficient of Line Thermal Expansion	7~8	7~8	7~8	10^-6 K^-1
	Thermal Conductivity	20	29	32	W/mK
	Thermal Shock Resistance (Put in Water)	250	200	280	ΔT °C
	Max Working Temperature	1,500	1,600	1700	°C
Electrical Characteristics	Volume Resistance At 20°C	>10¹⁴	>10¹⁴	>10¹⁴	Ωcm
	Dielectric Strength	15×10⁶	15×10⁶	15×10⁶	V/m
	Dielectric Constant	9	10	10	εr
	One MHZ Dielectric Loss Angle at 20°C	0.0004	0.0002	0.0001	tanδ
Chemical Characteristics	Nitric Acid (60%) 90°C	0.1	0.1	0.05	24H WT Loss mg/cm²
	Sulphuric Acid (95%) 95°C	0.3	0.34	0.22
	Caustic Soda (30%) 80°C	0.9	0.95	0.04

SHENZHEN HAORUIcan offer not only qualified products, we can also supplying quality service including design, development, export and after sales. With our professional skills, advanced technology and quality material, we can design and develop new products or new applications according to the clients' expectation. We have custom-made new products and promoted the specifications for more than 1000 clients, and we have gotten good reputation from our clients.